<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/bluetooth/resources/bluetooth-test.js"></script>
<script src="/bluetooth/resources/bluetooth-fake-devices.js"></script>
<script>
'use strict';
const test_desc = 'Unicode string with utf8 representation longer than 248 ' +
    'bytes in \'namePrefix\' must throw NotFoundError.';
const expected = new DOMException(
    'Failed to execute \'requestDevice\' on \'Bluetooth\': ' +
        'A device name can\'t be longer than 248 bytes.',
    new TypeError());
// \u2764's UTF-8 respresentation is 3 bytes long.
// 83 chars * 3 bytes/char = 249 bytes
const unicode_name = '\u2764'.repeat(83);

bluetooth_test(
    () => assert_promise_rejects_with_message(
        requestDeviceWithTrustedClick({filters: [{namePrefix: unicode_name}]}),
        expected),
    test_desc);
</script>
